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**Brian Ketelsen:** Everything. You go to a web page with an invite code, and it creates you a complete online Go development environment with a web shell and a web IDE. It's all Sandbox, it's got Docker, and all you really have to do is fill in your name and an invite code and hit Go, and it just works. |
**Katrina Owen:** Brilliant. |
**Brian Ketelsen:** It almost falls into what we were talking about earlier, that idea of building environments for people to learn it. I noticed Andrew Gerrand posted a slide deck about an idea today, the Go workspace tool that he's working on. The same concept - how do you get somebody from, "Okay, I've installed Go"... |
**Carlisia Thompson:** And for the record, he's not working on it... I think he's putting it out there and trying to entice people to take on the work where he left off. He's done some work, but he doesn't seem to have the bandwidth to continue. He explicitly said he's not working on it. |
**Brian Ketelsen:** Well, that's too bad. |
**Erik St. Martin:** Alright. Carlisia, do you wanna go next? |
**Carlisia Thompson:** Yes. I definitely wanna give a shout out to Exercism - how could we not? It's awesome. Katrina is awesome, everything about it is awesome. If you haven't checked that out... |
**Erik St. Martin:** I don't think I wanna know how much time she's invested into that... It's probably scary. |
**Katrina Owen:** Yeah, I don't wanna talk about that. \[laughter\] |
**Erik St. Martin:** \[01:04:00.09\] Those battle scars... |
**Carlisia Thompson:** And I also wanna give a shout out to GoConvey. I have been using it a lot. I don't use it as a test package, but I use it to -- we were talking about refactoring, red/green. If you put it up on your project and you open it on your browser, it just gives you that nice green-red-green-red. I don't ... |
**Erik St. Martin:** I used to use it a lot, and I'm actually ashamed to say I haven't used it very much lately. I think it's like you jump in and you try to start doing stuff quickly, and then that kind of becomes your pattern and you fall off from some of these things. I need to start using it again. |
**Brian Ketelsen:** But it's so pretty, having that dashboard. |
**Erik St. Martin:** Yeah, and the browser notifications. |
**Brian Ketelsen:** Yeah. |
**Carlisia Thompson:** Yeah, and the green is such a pretty green; you wanna see that green all the time. \[laughter\] |
**Brian Ketelsen:** I long for the green. |
**Carlisia Thompson:** Another thing that I love about it is that it gives you a percentage of your test coverage. On the left it keeps track, and you see a bar inching up as you add tests. And everytime you change a test, if there was a change to the code coverage, if it was an increase you would see an up arrow with ... |
**Brian Ketelsen:** It's like that stupid fuel economy gauge in my car - every time I see it I'm like "Oh, I need to back off the gas..." \[laughter\] |
**Erik St. Martin:** The hard part with that though is by gamifying it like that you can also get bad habits too, because you can increase code coverage with meaningless tests, too. Code coverage just means that every line is executed, it doesn't necessarily mean that you're actually testing real-world use cases and pa... |
**Brian Ketelsen:** That's a show all on its own. |
**Carlisia Thompson:** Yeah, that is true. But Go also has a very good test coverage tool. If you haven't exercised that path, you know you should. Maybe you write a test and it's not gonna be the best test; maybe it's gonna be misleading, but at least... I think not having the test is bad; having tests that are not go... |
**Brian Ketelsen:** Yeah, any tests are better than no tests. |
**Erik St. Martin:** Agreed. |
**Brian Ketelsen:** It's funny, because I think we talked about this an episode or two ago... In the Ruby world, where testing was religious, I didn't like writing tests and I didn't write a lot of tests. Now in Go I very frequently do TDD and I test everything, and it's strange... And I have that compiler backing me u... |
**Katrina Owen:** \[01:08:05.12\] In Ruby a lot of the tests were so slow that it was just painful. In Go the tests are much quicker. |
**Brian Ketelsen:** You know, maybe that's it - it's the nearly instantaneous response time. I'm impatient. |
**Carlisia Thompson:** Fast tests is what hooked me to Go. Go had me at fast tests. |
**Katrina Owen:** Yeah, fast tests was my motivation to learn how to refactor, so that I could have less decoupling and load fewer dependencies when I was testing my code. |
**Erik St. Martin:** That's kind of a big goal of mine. I always find it hard when I'm up against something that requires a lot of mocking and stubbing in order to fake out backend, but I can't stand that having to require having some Etcd cluster for this thing to run against. I don't want that. It means I can't just ... |
**Brian Ketelsen:** Well, that brings up a completely random thought about the Gopher Slack - we have a barbecue channel, and we are building a PID controller for our barbecue grills, which will automate keeping the grill at a particular temperature by controlling the air flow into the fire pit. And the first thing I d... |
**Katrina Owen:** You shouldn't have to. |
**Brian Ketelsen:** Yeah, those are things that I want to mock immediately. So I built all the interfaces first, and I'm building mocks now for all of them; even without having all of the hardware, I'll be able to prove most of the application logic is good before we get it put together. |
**Erik St. Martin:** Now, the benefit of doing only end-to-end testing... So, granted, development time is longer, but it tastes way better. \[laughter\] |
**Katrina Owen:** It's part of a slow go movement... |
**Erik St. Martin:** It's actually surprising how many people are really jumping in on the project, too. |
**Katrina Owen:** Awesome. |
**Brian Ketelsen:** That's github.com/bbqgophers, if anybody wants to jump in and join. We're having a ton of fun. Raspberry Pi's, little bits of electronics and lots of Go. And barbecue, don't forget the barbeque part; that's the important thing. We might have won the best name ever. The PID controller that we're writ... |
**Katrina Owen:** Yeah, that's adorable. You win. |
**Erik St. Martin:** You win the internet. My project this week is Bosun, which came out of Stack Overflow. It's this really cool library that can kind of go up against time series databases, OpenTSDB, Elasticsearch, InfluxDB, and basically has this kind of like expressive language that you can use to do counts and agg... |
**Brian Ketelsen:** Barbecue? |
**Erik St. Martin:** ...which might also be very good for monitoring barbecue. |
**Brian Ketelsen:** Is that how it came up? |
**Erik St. Martin:** That is exactly... Well, Comcast is using it too internally, so I have to be fair. That's what we're using for Kubernetes monitoring and alerting. But it came up for this episode because somebody suggested another one, and then I suggested this one for monitoring the grill temperatures. |
**Brian Ketelsen:** Metrics or it didn't happen. |
**Erik St. Martin:** Alright, I don't wanna blindside you here Katrina, but did you have anybody you wanted to give a shout out to? |
**Katrina Owen:** \[01:12:02.09\] I do. I would love to give a shout out to the Hoodie team. They are an open source project who... So this is someone who knows how to do community. They have possibly the healthiest open source community and healthiest open source project that I have ever seen in my whole life, and I a... |
I think that what they've done with their communities is absolutely amazing. One of their team members was on another Changelog episode not too long ago, Jan Lehnardt. He was on the Request for Commits episode \#4, talking about building healthy communities. Absolutely worth a listen. |
**Carlisia Thompson:** That's the person I was referring to when I mentioned that he went away on vacation, then came back and people were talking in his voice. I was comparing him to you, Katrina. I noticed that pattern as well with Exercism. |
**Katrina Owen:** I'm so flattered... I want to be him when I grow up. \[laughter\] |
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